177 IFP-300 / IFP-300ECS Manual P/N LS10145-001SK-E:B 12/18/2017
13.3.3 I/O Point Control
This feature allows you to toggle any output on or off and trip any input device. This can be useful to test a point’s output mapping. I/O
Point Control shall only be allowed to be accessed if enabled by the user profile.
Follow these steps to control an I/O point:
1. Select 2 (Point Functions) from the Main Menu.
2. Select 6 (I/O Point Control).
3. Select the module the point is on.
4. Make any selections specific to the module selected in the previous step.
5. Use the up or down arrow key to select the point you wish to test.
6. Press ENTER to toggle (Active/Inactive) Output.
7. Press the left arrow key to exit.
13.3.4 Earth Fault Resistance
Table 13.1 lists the earth fault resistance detection for each applicable terminal on the FACP.
Function
Terminal Label Low Biased High Biased
(Values in Ohms) High
Trip
High
Restore
Low
Trip
Low
Restore
Notification
Circuits
–NAC 4- -00
+00--
–NAC 3- -00
+00--
–NAC 2- -00
+00--
–NAC 1- -00
+00--
SBUS OUT B SBUS1 OUT - - 0 0
A--00
+00--
---00
EXT. COMM B - - 0 0
A--00
+00--
---00
SLC Terminals - SLC OUT - - 0 0
+00--
- SLC IN - - 0 0
+00--
NOTE: Any wire to wire fault impedance is 0 ohms
Table 13.1 : Earth Fault Resistance Values by Terminal